124216640

素因数分解:

$2^6\times 5^1\times {\mathrm{388177}}^1$

素因数の和:388194

約数の個数: 28

約数和(自身を含む): 295791636

約数和(自身を除く): 171574996

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 388177, 776354, 1552708, 1940885, 3105416, 3881770, 6210832, 7763540, 12421664, 15527080, 24843328, 31054160, 62108320, 124216640]

約数ペア:

[(1, 124216640), (2, 62108320), (4, 31054160), (5, 24843328), (8, 15527080), (10, 12421664), (16, 7763540), (20, 6210832), (32, 3881770), (40, 3105416), (64, 1940885), (80, 1552708), (160, 776354), (320, 388177)]